yl(2-sulfoethyl)amino]-1, 8-dioxooctyl]oxy]-19 alpha-pregn-4-ene-2.20-dione. Formation of these compounds, especially the 1,11-epoxy analogue, strongly supports the existence of the bicyclo[3.1.0]hex-3-en-2-one intermediate in the photorearrangement of steroidal cross-conjugated dienones. The intermediate can account for all the major ketonic and phenolic products; these products are generated from
甲基泼尼松龙磺基
庚酸酯的两种主要光降解产物(11β
钠,17α-二羟基-6α-甲基-21-[[[8- [甲基(2-磺乙基)
氨基] -1,8-二氧辛基+ ++]氧基] -pregna通过制备型高效
液相色谱分离并在25°C下用2000 lux的白色荧光灯照射28天的
水溶液中的-1,4-二烯-3,20-二酮(-1,4-二烯-3,20-二酮)进行表征。测定光降解产物的结构为11β,17α-二羟基-5α,6α-二甲基-21-[[8- [甲基(2-磺基乙基)
氨基] -1,8-二氧辛基l]-氧基
钠。 ] -19-norpregna-1(10),3-二烯-2,20-二酮和
钠1β,11β-环氧17α-羟基-6α-甲基-21-[[8- [甲基(2 -磺基乙基)
氨基] -1,8-二氧辛基]氧基]-19α-孕-4-烯-2.20-二酮。这些化合物的形成,尤其是1,11-环氧类似物,强烈支持在甾族交叉共轭二烯酮的光重排中存在双环[3